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Based on numerous site assessments, one plant design does not fit every situation. Our engineering services determine exactly what is needed for your facility.

Biogas Processing

Biogas Plant, Stephenville, Texas

Biogas Plant – Stephenville, Texas – eight 1,000,000 gallon digesters (photo above).

Costello provides design of biogas plants from the digester to the pipeline. This includes slug catchers, KO pots, Amine units, dehydration units, compression systems and sulfur recovery units, H2S monitoring systems, odorization systems and meter runs for custody transfer.

We have experience with various chemical and physical solvent such as amine units which utilize DEA and MDEA, Selexol units and dehydration units using TEG.

Complete purification of biogas and natural gas is offered on a case by case review and typical components removed include hydrogen sulfide, carbon dioxide, ammonia, water and other sulfur bearing chemical compounds.

Our extensive experience in the natural gas fields of Texas and off shore California allow us to translate this know-how into biogas purification.

We can also provide plant startup support, troubleshooting, training, second opinion reviews and revamp services to increase plant capacity.


Biogas Links

Please call for further information

R.C. Costello & Assoc., Inc.
1611 S. Pacific Coast Highway, Suite 302
Redondo Beach, CA 90277
Tel: (310) 792-5870, Fax: (310) 792-5877
E-MAIL: rcca[at]

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